Signal Separation and Localization Strategies for Large Aperture Acoustic Arrays
Abstract
Development of signal detection and localization methods for large aperture acoustic arrays in urban environments presents inherent difficulties due in part to interfering coherent signals and low Signal to Noise Ration (SNR) targets. Continuous wave sources can also be difficult to localize due to the high levels of self-similarity and interference with other continuous wave signals. This paper presents some preliminary approaches under investigation for: determining the direction of arrival of continuous sources that are changing in frequency, detecting and localizing low SNR impulses in the presence of coherent noise, and fast efficient mapping of array element delays to direction of arrival using a neural network fitting function.
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 2017
- Accession Number
- AD1069125
Entities
People
- Chris Simpson
- Mihan H. McKenna
- Richard Haskins